B57891M0244J000 EPCOS Inc, B57891M0244J000 Datasheet - Page 8

• Manufacturer Part Number: B57891M0244J000
• Description: Thermistors - NTC 891/240 K/J 5% NTC Thermistor
• Manufacturer: EPCOS Inc
• Series: B57891Mr
• Type: NTCr

Specifications of B57891M0244J000

• Resistance: 240 KOhms
• Tolerance: 5 %
• Termination Style: Radial
• Dimensions: 3.5 mm Dia. x 6.5 mm L
• Lead Spacing: 2.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R/T characteristics
R/T No.
T ( C)
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement and compensation
Leaded NTC thermistors, lead spacing 2.5 mm
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
155.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
5.0
0.0
5.0
2006
B
R
200.55
131.02
87.171
58.988
40.545
28.272
19.997
14.292
10.35
25/100
T
/R
7.5614
5.5343
4.086
3.0374
2.276
1.7188
1.3074
1.0000
0.76988
0.5954
0.46341
0.36327
0.28636
0.2262
0.17974
0.1438
0.1156
0.093296
0.075623
0.061619
0.050414
0.041532
0.034355
0.028525
0.023774
0.019852
0.016632
0.014016
25
= 5000 K
8.7
8.3
8.0
7.7
7.4
7.1
6.9
6.6
6.4
6.4
6.2
6.0
5.9
5.7
5.6
5.5
5.3
5.2
5.1
4.9
4.8
4.8
4.7
4.5
4.4
4.3
4.3
4.2
4.1
3.9
3.8
3.8
3.7
3.7
3.6
3.5
3.4
(%/K) R
2007
B
185.87
123.23
82.888
56.544
39.061
27.321
19.326
13.823
10.001
25/100
T
/R
7.3067
5.3454
3.9484
2.9595
2.2358
1.7001
1.3021
1.0000
0.7756
0.60507
0.47498
0.37533
0.29823
0.23763
0.19041
0.15356
0.12442
0.10131
0.08286
0.068004
0.056032
0.046379
0.038533
0.032169
0.026952
0.022658
0.019111
0.016201
25
= 4830 K
Page 8 of 23
8.4
8.1
7.8
7.6
7.3
7.1
6.8
6.6
6.4
6.4
6.2
5.9
5.7
5.6
5.4
5.4
5.2
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.8
3.7
3.6
3.5
3.4
3.3
3.3
(%/K) R
2904
B
121.46
84.439
59.243
41.938
29.947
21.567
15.641
11.466
25/100
T
/R
8.451
6.2927
4.7077
3.5563
2.7119
2.086
1.6204
1.2683
1.0000
0.7942
0.63268
0.5074
0.41026
0.33363
0.27243
0.2237
0.18459
0.15305
0.12755
0.10677
0.089928
0.076068
0.064524
0.054941
0.047003
0.040358
0.034743
0.030007
0.026006
0.022609
0.01972
0.017251
0.015139
0.013321
0.011754
25
= 4300 K
7.4
7.2
7.1
6.9
6.7
6.6
6.3
6.2
6.0
5.9
5.7
5.5
5.3
5.1
5.0
4.8
4.7
4.6
4.5
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.6
2.6
2.5
2.5
(%/K)
B57891M
M891